Troubleshooting Common AC Problems: When to Call for Professional Repair

As temperatures fluctuate, a fully functional air conditioning system becomes essential for comfort in both homes and commercial spaces. Recognizing the signs of trouble early can prevent more significant problems down the road, saving you time, money, and discomfort. However, while some minor issues can be fixed easily, others demand professional expertise. At our business, we emphasize the importance of distinguishing between simple fixes and situations that require a skilled technician’s intervention. This understanding not only ensures efficient operation but also extends the life of your AC unit.

Our proactive approach begins with educating our clients on the common issues that can affect air conditioning systems. From understanding the typical signs of malfunction, like unusual noises or poor cooling performance, to conducting initial checks such as verifying settings and cleaning accessible parts, we guide you through the basic troubleshooting steps. These initial efforts can be crucial in maintaining your system’s effectiveness and often prevent unnecessary service calls. Moreover, routine professional maintenance is indispensable in catching potential issues before they escalate, ensuring your unit remains in prime condition year-round. Such regular check-ups preserve optimal function and fortify your system against the harsh demands of seasonal changes.

Identifying Common AC Issues

One of the first steps in maintaining an efficient air conditioning system is recognizing the common problems that can arise. Common AC issues vary but typically include insufficient cooling, strange noises, frequent cycling, and higher than usual energy bills. For instance, if your AC is running but not lowering temperatures effectively, it could be due to a dirty air filter, low refrigerant levels, or blocked condenser coils. Unusual noises like grinding, squealing, or chattering usually indicate mechanical problems—perhaps a belt has slipped out of place, or a component needs lubrication.

Frequent cycling or continuous running often points to an oversized AC unit or a malfunctioning thermostat. Increased energy bills can also suggest inefficiencies within the system that require attention. Recognizing these signs early can prevent minor issues from developing into major system failures. We take these common symptoms as potential indicators of underlying issues that might need professional examination, ensuring that small fixes now can prevent larger expenses in the future.

Steps for Basic Troubleshooting Before Calling a Professional

Before reaching out for professional help, there are several troubleshooting steps you can perform to potentially resolve minor AC issues. These steps can save both time and money and may help you better understand your AC system’s operation. First, ensure that the thermostat is set correctly — sometimes it’s as simple as switching the setting from ‘heat’ to ‘cool’. Also, check to see if the thermostat is getting power or if it might need new batteries.

Next, check your air filter. A dirty filter can restrict airflow, diminishing performance and causing the system to work harder, which in turn increases energy usage. If the filter is clogged, replace it with a new one to see if that improves your system’s efficiency. Additionally, ensure that all air registers are open and unblocked to allow free air movement throughout your space.

Another simple check is the circuit breaker—make sure your AC hasn’t tripped the breaker. If it has, reset the breaker and see if the AC begins to operate correctly. Similarly, inspect the outdoor unit, often forgotten, for leaves, dirt, or debris that could obstruct the airflow. Clearing this can often return your unit to its normal function. These steps are easy to handle and often solve the simplest AC related issues without needing to call in a professional.

When to Call Our Professionals for AC Repair

Sometimes, despite your best troubleshooting efforts, the issues with your AC unit remain unresolved or complex. This is when it becomes crucial to call in our experienced professionals. If your air conditioner refuses to turn on, discharges warm air when set to cool, persists in making unusual noises, or produces strange odors like a burning smell, these are indicative of potentially serious problems that require immediate professional attention. Further, if you notice ice forming on the coils or an unexplainable surge in your energy bills, these symptoms suggest there might be deeper issues, such as a refrigerant leak or electrical problems that necessitate expert intervention.

It’s important not to delay in making this call. Continuing to operate your AC under these conditions can lead to more severe damages, ultimately resulting in more costly repairs or even a complete system replacement. Our technicians are equipped to diagnose complex issues and repair your AC unit quickly and efficiently, ensuring it operates smoothly and effectively, providing the comfort you need in your home or business.

Enhancing Your AC’s Longevity Through Professional Maintenance

The longevity and efficiency of your air conditioning system significantly depend on routine maintenance conducted by certified professionals. Regularly scheduled professional maintenance not only helps in identifying and fixing the emergent issues before they escalate but also optimizes your system’s performance, leading to enhanced efficiency and reduced running costs. During a maintenance visit, our technicians thoroughly inspect the system, clean components like coils and filters, check refrigerant levels, and ensure electrical connections are tight and functioning properly.

We also examine the thermostat settings and ensure the entire system is running as intended. These detailed inspections can identify wear and tear that might not be obvious but could cause issues if left unattended. By adhering to preventive maintenance schedules, you significantly reduce the likelihood of sudden breakdowns, extend the lifespan of your unit, and maintain its efficiency at optimum levels. This proactive approach not only saves money in the long term but also ensures that your environment remains comfortable regardless of the season.


Understanding when you can rectify AC issues with simple troubleshooting and when to involve our skilled professionals can save you time and money, while also ensuring the health and efficiency of your air conditioning system. Should you face any persistent issues or require dedicated AC maintenance or AC repair in Glenview, IL, do not hesitate to contact us at GV’S Heating & Cooling. Trust us to keep your system running at its best — after all, a reliable and efficient air conditioner is key to enjoying a comfortable indoor environment.